[1]
Il’kiv V.S., Strap N.I. and Volyanska I.I. 2020. Solvability conditions of a nonlocal boundary value problem for a differential-operator equation with nonlinearity in a refined Sobolev scale of spaces of functions of several real variables. Ukrains’kyi Matematychnyi Zhurnal. 72, 4 (Mar. 2020), 452-466. DOI:https://doi.org/10.37863/umzh.v72i4.2270.